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Cat 3116 Propulsion

Cat 3116 Propulsion

Cat 3116 Propulsion

Product catalog summary
Engine Specifications:
The Caterpillar 3116 Marine Engine is a 6-cylinder, 4-stroke diesel engine with a bore of 105 mm and a stroke of 127 mm, resulting in a displacement of 6.6 L. It features a compression ratio of 16:1 and rotates counterclockwise from the flywheel end. The cooling system has a capacity of 28.0 L, and the lube oil system holds 25.0 L, with an oil change interval of 250 hours. The turbocharged-aftercooled version weighs approximately 681 kg.
Performance and Ratings:
The engine maintains power within standard tolerances up to 50°C air temperature and 52°C fuel temperature. Power is rated as crankshaft power with a 3% reduction for propeller shaft power. It is available in ratings E, D, C, A, and B, suitable for various vessel types.
Transmission Options:
Available marine transmissions include MG5050, MG5061, MG506-1, MG506A, MG507-1, and MG5061A, with different ratios and weights. Selection depends on input power, speed, ratio, and vessel application.
Performance Curves:
Performance curves detail engine speeds, power, torque, and fuel consumption, crucial for assessing engine efficiency under different conditions.
Key Parameters:
Performance parameters include power, specific fuel consumption, and fuel rate, with tolerances of +/- 3% for power and specific fuel consumption, and +/- 5% for fuel rate.
Engine Specifications:
The engine has a power range of 153-261 bkW and includes standard equipment like a dry-type air cleaner, 12-volt alternator, cooling components, and a mechanical governor. It also features an electric starting system and a torsional vibration damper.
Accessory Equipment:
Optional accessories include alternator configurations, cruise kits, exhaust options, flexible engine mounts, and various fuel system components. Additional instruments, lubrication options, power takeoffs, and protection devices are available.
Rating Definitions and Conditions:
Ratings are based on SAE J1228/ISO8665 standards, with specific conditions for pressure, temperature, and humidity. Fuel rates are calculated based on specific fuel oil gravity and energy content. Custom ratings are available.
Application and Usage:
The engine is suitable for vessels like midwater trawlers, purse seiners, crew and supply boats, ferries, and towboats, especially where frequent slowing is needed due to environmental conditions.
General Information:
Specifications are subject to change without notice, and the document uses the International System of Units. The publication is © 1998 Caterpillar Inc.
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Catalog excerpts

Cat 3116 Propulsion-1

Shown with Accessory Equipment MARINE TRANSMISSION* transmission selection depends on input power, speed, ratio, and vessel application. Consult your Caterpillar dealer. CATERPILLAR® ENGINE SPECIFICATIONS Rotation (from flywheel end).. Counterclockwise Engine Weight, Net Dry (approx) — kg (lb) TA Shown with Accessory Equipment Power produced at the flywheel will be within standard tolerances up to 50° C ( 122° F) combustion air temperature measured at the air cleaner inlet, and fuel temperature up to 52° C (125° F) measured at the fuel filter base. Power rated in accordance with NMMA procedure as crankshaft power. Reduce crankshaft power by 3% for propeller shaft power.

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Cat 3116 Propulsion-2

PERFORMANCE CURVES_ Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate Power Torque Max Power Curve Data Fuel Fuel Power Torque Cons Rate E RATING - Planing hull vessels such as pleasure craft, harbor patrol, harbor master, and some fishing and pilot boats. Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate Max Power Curve Data Fuel Fuel Cons Rate E RATING - Planing hull vessels such as pleasure craft, harbor patrol, harbor master, and some fishing and pilot boats. Prop Demand Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate Max Power Curve Data Fuel Fuel Cons Rate E RATING -...

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Cat 3116 Propulsion-3

PERFORMANCE CURVES_ Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate Power Torque Max Power Curve Data Fuel Fuel Cons Rate Fuel Fuel Cons Rate D RATING - Planing hull vessels such as offshore patrol boats, customs, police, and some fire and fishing boats. Also used for bow and stern thrusters. Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate D RATING - Planing hull vessels such as offshore patrol boats, customs, police, and some fire and fishing boats. Also used for bow and stern thrusters. Power Torque Max Power Curve Data Fuel Fuel Torque Cons Rate Prop Demand Prop Demand Curve...

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Cat 3116 Propulsion-4

PERFORMANCE CURVES_ Prop Demand Prop Demand Curve Data Power Torque Cons Power Torque Power Torque C RATING - Vessels such as ferries, harbor tugs, fishing boats moving at higher speeds out and back (e.g. lobster, crayfish, and tuna), offshore service boats, and also displacement hull yachts and short trip coastal freighters where engine load Max Power Curve Data Fuel Fuel Power Torque Cons Rate Prop Demand Curve Data Fuel Fuel Power Torque Cons Rate Power Torque Max Power Curve Data Fuel Fuel Power Torque Cons Rate B RATING - Vessels such as midwater trawlers, purse seiners, crew and supply...

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Cat 3116 Propulsion-5

STANDARD ENGINE EQUIPMENT dry-type, single-stage air cleaner with service indicator belt driven, 12 volt, 51 ampere transmission oil cooler, heat exchanger, engine oil cooler, watercooled exhaust manifold, auxiliary sea water pump, expansion tank, low water level contactor filter, shutoff solenoid — energized to run, forward routed control cable bracket oil filter, filler, dipstick Torsional vibration damper Tachometer drive magnetic pickup ACCESSORY EQUIPMENT_ walker airsep belt driven - 24 volt, 35 ampere; belt driven - 24 volt, 60 ampere; belt driven - 12 volt, 6" watercooled elbow, 5" dry...

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Cat 3116 Propulsion-6

RATING DEFINITIONS AND CONDITIONS 25° C (77° F). These ratings also apply at relative humidity. Fuel rates are based on fuel oil of 35° API [16° C (60° F)] gravity having an LHV of 42 780 kJ/kg (18 390 Btu/lb) when used at 29° C (85° F) and weighing 838.9 g/liter (7.001 Ibs/U.S. gal). Additional ratings may be available for specific customer requirements. Consult your Caterpillar representative for additional information. Materials and specifications are subject to change without notice. The International System of Units (SI) is used in this publication.

 Open the catalog to page 6

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.